阿里云网络系列之经典网络和专有网络

 

 

 

阿里云网络系列之经典网络和专有网络-云栖社区-阿里云 https://yq.aliyun.com/articles/58516?spm=a2c4e.11153987.0.0.3c716e8ePMLR34

 

 

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【阿里云】尊敬的hi1234****@aliyun.com：您的经典网络实例：TEST大数据服务器已经成功迁移到专有网络： vpc-sl4wgm1i0
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10.2 ‘WARNING - POTENTIAL SECURITY BREACH!’

This message, followed by ‘The server's host key does not match the one PuTTY has cached in the registry’, means that PuTTY has connected to the SSH server before, knows what its host key should be, but has found a different one.

This may mean that a malicious attacker has replaced your server with a different one, or has redirected your network connection to their own machine. On the other hand, it may simply mean that the administrator of your server has accidentally changed the key while upgrading the SSH software; this shouldn't happen but it is unfortunately possible.

You should contact your server's administrator and see whether they expect the host key to have changed. If so, verify the new host key in the same way as you would if it was new.

See section 2.2 for more information on host keys.